Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a60ea0096d6e8263fb6856ab6a6720e3205d5dfb2dc4732610f9df65d64aaef5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^